The Collaborative International Dictionary of English v.0.48:

Incendiary \In*cen"di*a*ry\, a. [L. incendiarius, fr. incendium
   a fire, conflagration: cf. F. incendiaire. See Incense to
   inflame.]
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   1. Of or pertaining to incendiarism, or the malicious burning
      of valuable property; as, incendiary material; as
      incendiary crime.
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   2. Tending to excite or inflame factions, sedition, or
      quarrel; inflammatory; seditious. --Paley.
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   Incendiary device, a device designed to set a structure on
      fire; a firebomb.

   Incendiary shell, a bombshell. See Carcass, 4.
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